Island



(No Model.) 3 Sl.1eets-Sheet 1.

- E. L. 8U G. HAIL. Y

BLEVATOR.

No. 579,430. Patented Maf. 23, 1897.

(No Model.) BYSheets-Sheet 2.

E. L. 8v G. HAIL.

BLEVATOR. No. 579,430. Patented Mar. 231897.

W ITNELE EEE #im /W (No Modl.) y 3 Shets-Sheet 3.

B. L. an G. HAIL.

ELEVATOR. 4

No. 579,430. Patented Mar. 23, 1897.

WITNEEEEE Nirn rares Arnnr rricn.,

EDXVARD L. HAIL AND GEORGE IIAIL, OF PROVIDENCE, RHODE ISLAND.

ELEVATOR.

SPECIFICATION forming part of Letters Patent N o. 579,430, dated March23, 1897. Application filed November 2'7, 1896. Serial No. 613,536. (Nomodel.)

To all whom, it may concern.'

Beit known that we, EDWARD L. HAIL and GEORGE HAIL, of Providence, inthe county of Providence and State of Rhode Island, have inventedcertain new and useful Improvements in Elevators, of which the followingis a specification.

This invention has relation to elevators of the class known aspassenger-elevators, which are employed for carrying persons between theiioors of a building. There are many dangers incident to takingpassengers on and letting them off from an elevator-car, resulting fromthe possibility of the car starting before the door of the corridor isclosed, and hence one of the objects of our invention is to preventdangers of this kind by connecting the door of the corridor in such waywith the motor-controlling device as to lock the same from action duringthe time that the corridor-door is open and until it is closed.

To these ends, therefore, the invention consists of an elevator having adriving mechanism for elevating and lowering the car, a device forcontrolling the movements of the driving mechanism and operated byaline, an opening device for the door of the corridor, a lock forlocking the motor-controlling device, and connections between thedooropening device and the lock whereby when the door is opened by thesaid device the lock is moved into engagement with the motorcontrollingdevice to hold the latter from movement. 4

The invention likewise consists of other features of improvement, whichwe will hereinafter describe with particnlarity, and set forth in detailin the claims hereto appended.

Reference is to be had to the accompanying drawings, and to the lettersmarked thereon, forming a part of this speciiication, the same lettersdesignating the same parts or features, as the case may be, whereverthey occur.

Of the drawings, Figure l is a more or less conventional view showingone form in which our invention may be embodied, there being illustratedin said figure a corridor-door, a motor-controlling device, a lock forthe motor, a device for opening said corridor-door, and connectionsbetween said door-opening device and the lock for the motor-controllingwhich controls the lock for the motor-con- 6o trolling device, one doorbeing represented as having been opened and the motor-controlling devicebeing shown as locked. Figs.v 8, 9, and l0 illustrate latches forlocking the door and which are arranged to be operated when the handleof the lever is grasped. ll shows in perspective the hook end ofbell-crank lever.

Referring to the drawings, a indicates a Fig. the

corridor-door which is adapted to slide back 7o and forth to open andclose the aperture leading from the corridoi' into theelevator-hatchway.

At l) we have indicated a shaft the movements of which control themovements of the mechanism for raising and lowering the elevator-car andis controlled by a pulley b' on which a controlling-line a: passes,which line may be actuated by the attendant on the car.

The raising' and lowering mechanism may 8o consist of a motor of anynature that it may be desirable to use-such as an electric motor, ahydraulic cylinder, cbcthe motor not being shown, as it forms no part ofthe present invention. which, as above stated, is affixed a pulley b forthe controlling-line, (and between said line and the motor,) we rigidlysecure a disk c, which is provided in its periphery with the notch d,and when the disk is in that position 9o which it will assume when themotor is at rest the notch d is in alinement with and is adapted toreceive a sliding bolt c, which reciprocates in the guides f f. 'lhesaid bolt is connected at its end with a line g, which 95 may be eithera rope, a chain, or any other means for accomplishing the purpose to bef described, which line is passed around an idler-pulley h near the boltand an idlerpulley i at the top of the well or hatchway 10o and has uponits end a weight j. The line extends throughout the length of thehatchdevice. 55

Upon the said shaft b, on

way in position to be engaged by the dooropenin g device orleversconnected therewith, as we will proceed to hereinafter describe.

The weight j is sufficiently heavy to hold the bolt e out of engagementwith the notch CZ in the disk c, and in' order to throw the sliding boltinto the notch when desired we employa weighted lever Zt, having an endextending down into an aperture or slot in the bolt. Vhen the bolt isrelieved of the weight j, the weighted lever 7s will throw it forward soas to enter the notch CZ in the disk c. For drawing down upon the lineg, so as to throw the bolt c into engagement with the motorcontrollingdevice, we employ means which coact with the corridor-door, as we willnow describe.

Z is a lever, fulcrumed at on. on a stationary support n, which is shownas on the wall of the hatchway. The leverpasses between two rollers o o,journalcd on the door a, and is cam-shaped or curved, so that when it isswung upon the pivot m it throws the door open, as will be understood.

The line g is provided with stops, clips, or attachments p, with whichmay engage the forked end q of a bell-crank lever r, pivoted on the wallof the hatchway in proximity to the line, and the end of the lever lr isconnected by a link s with the end of the dooropening lever Z.

The end of the bell-crank lever to which the link s is attached isprovided wit-h a camslot r', into which a pin S' on the link s eX-tends. The link slides longitudinally in guides s2 32, and the cam-slotis so arranged that the first movement of the lever Z upward will causethe pin s to thrust the rear end of the bell-crank lever upward andforce the forked end downward to operate the lock for themotor-controlling device, the remainder of the movement of the lever Znot affecting the lever r, since the pin s travels in a straight portionof the cam-slot, as shown in Fig. 2. The rollers 0 o on the door areseparated far enough to allow the lever Z to be moved sufiiciently tocause the locking of the motoreontrolling device prior to any movementof the door toward open position.

Now it will be seen from Figs. 1 and 2 that when the lever begins tomove upward and backward the link s will be drawnl forward, rocking thelever r on its pivot, and thereby causing the forked end thereof toengage the clip or attachment p on the line g, thus forcing down thesaid line and allowing the weighted lever to throw the bolt e into thenotch CZ of the motor-controlling device, and then the continuedmovement of the lever will cause the moving of the door to openposition.

In Fig. 7 we have shown a series of doors (one being opened) eachequipped with an opening device for operating on the line connected tothe lock for the motor-eontrolling device, and from the said figure itwill be seen that if any one of the said doors be opened themotor-controlling device will be locked.

The door-opening lever is provided with a depending portion t, having aknob or handle u on the lower end therecf,which may be grasped by theattendant on the car for throwing the lever upward and backward..

In Figs. 3 to 7, inclusive, we have shown the door opening and closinglever as operating to start the door toward open position immedi at-elyupon its being swung on its pivot, and in this case the entire movementof the lever is utilized in opening the door, although themotor-controlling device is looked before the door is moved to anyextent. In all other respects the devices operate precisely the same asabove set forth.

In Fig. S the door-latch a2 is pivoted at b2 and has a pointed hookedend to engage a catch on the door-framing. It is provided with a knobc2, being so placed as to be at the side of the handle u, sothat bothmay be grasped by the attendant at the same time to both unlatch thedoor and raise the lever to start the said door toward open position,the knob c2 being released as soon as the latch strikes the bridge e2.

In Fig. 9 the end of the depending arm of the lever is bifurcated, as atd2, thereby allowing the knob c2 to be placed below and near to thehandle u in a position to be easily grasped.

In Fig. 10 the bifurcated end of the lever is provided with springs f2,which yieldingly engage the knob on the latch, so that in opening thedoor the operator merely takes hold of the lever-handle u and swings thelever upward, the springs drawing the latch out of engagement with thecatch and then releasing it, as the latch is prevented from furtherupward movement by the bridge c2.

From the foregoing it will be observed that it is not necessary toalways employ the mechanism for locking the valve in connection with adoor opening and closing lever, as a hand-operated lever may be employedseparately and independently of the door forlocking thevalve-controlling devices.

fe make no claim herein to the means shown and hereinbefore describedfor opening the door per sc, this being the subjectmatter of ourcopending application, Serial No. 596,105, filed June 19, 1896.

It will be understood that we do not intend to limit ourselves to theprecise details of construction as herein shown and described, nor tothe particular form of motor-controlling line or device employed, sinceany other of the well-known electrical or mechanical controllers may beused.

Having thus explained the nature of the invention and described a way ofconstruct# ing and using the saine, though without at tempting to setforth all of the forms in which it may be made or all of the modes ofits use, it is declared that what is claimed is 1. In anelevator, acorridoikdoor, a motorA controlling line, a mot0r-controlling devicebetween the line and the motor, a lock for IOC) TIO

said device, means for opening the corridordoor, and connections between said door-opening meansand said lock whereby, when the door isopened, the motor-controlling device is locked against movement.

2. In an elevator, a corridor-door, means for opening said door, amotor-controllin g line, a motor-controlling device between the line andthe motor, a lock for said device and a line connected with said lockand with said door-opening means whereby when the door is opened themotor-controllin g device is locked.

3. In an elevator, a corridor-door, a lever for opening said door,amotorcontrollin g line, a motorcontrolling device between the line andthe motor, and a lock for said motor-controlling device coactin g withthe door-openin g lever whereby when the door is opened themotor-controlling device is locked.

4^. In an elevator, a corridor-door, a lever for opening said door, amotorcontrollin g line, a motor-controlling device between the line andthe motor, a lock for said motorcontrol ling device, a line connectedwith said lock, and means extending from the door-opening lever andadapted to engage said line for causing the lock to engage themotorcontrolling device when the door is opened.

5. In an elevator, a motor-controlling line, a motorcontrolling devicebetween the line and the motor, a lock for the same, a weighted linenormally holding the lock out of engagement with said device, means foracting upon said weighted line to allow the lock to engage themotor-controlling device, and means for opening the corridor-door andconnected with the last-said mea-ns whereby when the door is opened themotor-controlling device is locked.

(l. In an elevator, the combination with a motor-controlling line, amotor-controlling device between the line and the motor, a weighted boltadapted to normally engage the motorecontrolling device, means forholding the bolt ont of engagement with the motorcontrolling device, anda lever connected with the last-said means in such way that when thedoor is opened the lock will be allowed to engage the motoicontrollingdevice.

7. In an elevator, a movable door, a motorcontrolling device, a lock forsaid device, a lever for opening said door and fulcrumed on a supportrelatively to which the door moves, and connections between said leverand said lock for locking said controlling device prior to any movementof the door toward open position.

8. In an elevator, a movable door, a motorcontrolling device, a lock forsaid device, a lever for openin g said door and fulcrumed on a supportrelatively to which the door moves, said door-opening lever beingconnected to said doorbut having a limited movement relatively thereto,and connection between said lever and said lock, whereby the said levermay be actuated to lock the motor-controlling device prior to itsopening the door.

9. In an elevator, a movable door, a motorcontrolling device, a lock forsaid device, a lever for opening the door and having a pin and abell-crank lever having a cam-slo't to receive the pin on said lever,and connections between said ,bell-crank lever and the said lock.

l0. In an elevator, a motor-controllingline, a motor-controlling devicebetween the line and the motor, a lock for said device, a handn operatedlever, and connections between said lever and said lock whereby when thelever is actuated the motor-controlling device is locked.

Il. In an elevator, a corridor-door, a movable latch thereon, incombination with a motor-controlling line, a motor-controlling deviceoperated by said line, a lock for said motor-controllin g device, alever for opening said door, and connected to said lock for themotor-controlling device, said lever having means for4 yieldinglyengaging the latch, whereby when said lever is operated, the latch isdisengaged from its catch, the motor-con trolling device is locked, andthe door is opened.

In testimony' whereof we have signed our names to this specification, inthe presence of two subscribing witnesses, this 21st day of November, A.D. 1896.

EDWARD L. HAIL. GEORGE IIAIL.

Witnesses:

CHARLES A. HARKNnss, GILMAN E. Jorr.

